diff --git a/packages/Mathematica/README.md b/packages/Mathematica/README.md
index 60dbad4..eb4532b 100644
--- a/packages/Mathematica/README.md
+++ b/packages/Mathematica/README.md
@@ -1,4 +1,8 @@
-# Mathematica Front-End Installation Instructions #
+# "ModernRobotics" Mathematica Package Instructions #
+
+This package is the code library for _Modern Robotics: Mechanics, Planning, 
+and Control_. [Here](../../doc/MRlib.pdf) is the introduction. For more 
+details please see the [website](http://modernrobotics.org/).
 
 If you'd like to be able to use this package inside of any notebook, 
 regardless of the notebook's location on your filesystem, then you can use 
diff --git a/packages/Matlab/README.md b/packages/Matlab/README.md
index 979b13b..f0f1c65 100644
--- a/packages/Matlab/README.md
+++ b/packages/Matlab/README.md
@@ -1,8 +1,8 @@
 # "mr" Matlab Package Instructions #
 
 This package is the code library for _Modern Robotics: Mechanics, Planning, 
-and Control_. For more details please see the library introduction pdf file
-or the [website](http://modernrobotics.org/).
+and Control_. [Here](../../doc/MRlib.pdf) is the introduction. For more 
+details please see the [website](http://modernrobotics.org/).
 
 To import the package, use `addpath` as
 
diff --git a/packages/Python/README.md b/packages/Python/README.md
index 6406f91..d700c87 100644
--- a/packages/Python/README.md
+++ b/packages/Python/README.md
@@ -1,8 +1,8 @@
 # "modern_robotics" Python Package Instructions #
 
 This package is the code library for _Modern Robotics: Mechanics, Planning, 
-and Control_. For more details please see the library introduction pdf file
-or the [website](http://modernrobotics.org/).
+and Control_. [Here](../../doc/MRlib.pdf) is the introduction. For more 
+details please see the [website](http://modernrobotics.org/).
 
 To use the package, you can either